/* Image Resizer Tool Styles */
:root {
    --primary-color: #4a6bff;
    --primary-light: #7b94ff;
    --primary-dark: #2c4bd4;
    --secondary-color: #6c757d;
    --light-gray: #f8f9fa;
    --lighter-gray: #f1f3f9;
    --border-color: #e0e0e0;
    --border-hover: #b8c2cc;
    --dark-gray: #343a40;
    --success-color: #28a745;
    --success-light: #d4edda;
    --danger-color: #dc3545;
    --danger-light: #f8d7da;
    --warning-color: #ffc107;
    --warning-light: #fff3cd;
    --info-color: #17a2b8;
    --info-light: #d1ecf1;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Resizer Container */
.resizer-container {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.resizer-container:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* Upload Section */
.upload-section {
    padding: 50px 30px;
    text-align: center;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    margin: 25px;
    transition: var(--transition);
    cursor: pointer;
    background: linear-gradient(135deg, #f8f9ff 0%, #f1f4ff 100%);
    position: relative;
    overflow: hidden;
}

.upload-section:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0f2ff 0%, #e8ecff 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 107, 255, 0.1);
}

.upload-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0;
    transition: var(--transition);
}

.upload-section:hover::before {
    opacity: 1;
}

.upload-section.drag-over {
    background-color: rgba(74, 107, 255, 0.1);
    border-color: var(--primary-color);
}

.upload-icon {
    font-size: 56px;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.upload-section:hover .upload-icon {
    transform: scale(1.05);
    background: rgba(74, 107, 255, 0.15);
}

.upload-section h3 {
    margin: 0 0 12px;
    color: var(--dark-gray);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.upload-section p {
    margin: 10px 0;
    color: var(--secondary-color);
}

.file-types {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-top: 20px;
    background: rgba(255, 255, 255, 0.8);
    display: inline-block;
    padding: 6px 15px;
    border-radius: 50px;
    border: 1px dashed var(--border-color);
    font-weight: 500;
}

/* Resizer Content */
.resizer-content {
    display: none;
    padding: 20px;
}

.resizer-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

/* Preview Panel */
.preview-panel {
    flex: 1;
    min-width: 300px;
    background: #fff;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.preview-panel:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-light);
}

.image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background: repeating-conic-gradient(#f5f5f5 0% 25%, #fafafa 0% 50%) 50% / 20px 20px;
    position: relative;
    overflow: auto;
    min-height: 300px;
    transition: var(--transition);
}

.image-container.dark-bg {
    background: #333;
}

.image-container.light-bg {
    background: #f9f9f9;
}

.image-container.grid-bg {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    background-color: #f9f9f9;
}

#image-preview {
    max-width: 100%;
    max-height: 500px;
    display: block;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    transition: var(--transition);
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

#image-preview:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.image-info {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    display: flex;
    gap: 10px;
}

.preview-controls {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    background: #f9f9f9;
    border-top: 1px solid var(--border-color);
    gap: 8px;
    flex-wrap: wrap;
}

.btn-icon {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--secondary-color);
    transition: var(--transition);
    margin: 0 5px;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--primary-color);
}

.zoom-level {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--secondary-color);
    padding: 0 10px;
}

/* Control Panel */
.control-panel {
    width: 350px;
    background: #fff;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 25px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    position: relative;
}

.control-panel::-webkit-scrollbar {
    width: 8px;
}

.control-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.control-panel::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.control-panel::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.tabs {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
    margin: 0 -25px 25px;
    padding: 0 20px;
    position: relative;
    overflow-x: auto;
    scrollbar-width: none;
    /* Firefox */
}

.tabs::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

.tabs::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 2px;
    width: 100px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(0);
}

.tab-btn {
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--secondary-color);
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    font-size: 0.95rem;
    margin: 0 2px;
    border-radius: 4px 4px 0 0;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: rgba(74, 107, 255, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(74, 107, 255, 0.05);
}

.tab-btn i {
    margin-right: 8px;
    font-size: 1.1em;
    vertical-align: middle;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Form Elements */
.form-group {
    margin-bottom: 22px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #444;
    font-size: 0.95rem;
    letter-spacing: -0.1px;
}

.form-group label span {
    color: var(--secondary-color);
    font-weight: normal;
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    transition: var(--transition);
    background-color: #fff;
    color: #333;
    height: 42px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.2);
    outline: none;
}

.form-control::placeholder {
    color: #aaa;
    opacity: 1;
}

/* Custom select styles */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

/* Range input styles */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e0e0e0;
    outline: none;
    margin: 15px 0;
    padding: 0;
    transition: var(--transition);
}

input[type="range"]:hover {
    background: #d0d0d0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px solid #fff;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

input[type="range"]:active::-webkit-slider-thumb {
    background: var(--primary-dark);
}

/* Range value display */
.range-value {
    display: inline-block;
    min-width: 30px;
    text-align: right;
    font-weight: 500;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    font-family: var(--font-primary);
    letter-spacing: 0.3px;
}

/* Button hover effect */
.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.btn:hover::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }

    100% {
        transform: scale(40, 40);
        opacity: 0;
    }
}

.btn i {
    margin-right: 8px;
    font-size: 1.05em;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: 0 4px 12px rgba(74, 107, 255, 0.3);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    opacity: 0;
    z-index: -1;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(74, 107, 255, 0.4);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(74, 107, 255, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--dark-gray);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-outline:hover {
    background: rgba(74, 107, 255, 0.05);
    border-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-outline:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: var(--border-radius-sm);
}

.btn-block {
    display: block;
    width: 100%;
    padding: 12px 20px;
    font-size: 1rem;
}

/* Icon buttons */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    color: #666;
    border: 1px solid #e0e0e0;
    transition: var(--transition);
    cursor: pointer;
}

.btn-icon:hover {
    background: #f0f0f0;
    color: var(--primary-color);
    border-color: var(--primary-light);
    transform: translateY(-1px);
}

.btn-icon:active {
    transform: translateY(0);
}

.btn-icon i {
    margin: 0;
    font-size: 1.1em;
}

/* Button with icon */
.btn .btn-icon {
    margin-right: 8px;
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
}

.btn .btn-icon i {
    font-size: 1em;
}

/* Button Groups */
.btn-group {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn-group .btn {
    flex: 1;
    min-width: 100px;
    position: relative;
}

.btn-group .btn:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-group .btn:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    margin-left: -1px;
}

.btn-group .btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    z-index: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-group-outline .btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--dark-gray);
}

.btn-group-outline .btn:hover {
    background: rgba(74, 107, 255, 0.05);
    border-color: var(--primary-light);
    color: var(--primary-color);
    z-index: 2;
}

.btn-group-outline .btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    z-index: 3;
}

/* Range Inputs */
input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: #e0e0e0;
    border-radius: 3px;
    outline: none;
    margin: 15px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Dimension Inputs */
.dimension-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f9f9f9;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.dimension-inputs input {
    flex: 1;
    text-align: center;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 10px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.dimension-inputs input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.1);
    outline: none;
}

.dimension-separator {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2em;
    margin: 0 2px;
    min-width: 16px;
    text-align: center;
}

/* Lock aspect ratio button */
#lock-aspect-ratio {
    background: #fff;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

#lock-aspect-ratio:hover {
    background: #f5f5f5;
    border-color: var(--primary-light);
    color: var(--primary-color);
}

#lock-aspect-ratio i {
    font-size: 1em;
    transition: var(--transition);
}

#lock-aspect-ratio:hover i {
    transform: scale(1.1);
}

/* Preset Grid */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 15px 0;
}

.preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.preset-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.preset-btn:hover {
    border-color: var(--primary-light);
    background: rgba(74, 107, 255, 0.03);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.preset-btn:hover::before {
    transform: scaleX(1);
}

.preset-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.preset-btn i {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--primary-color);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.preset-btn:hover i {
    transform: scale(1.1);
    color: var(--primary-dark);
}

.preset-btn span {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: #444;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.preset-btn small {
    font-size: 0.8rem;
    color: var(--secondary-color);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.preset-btn:hover span {
    color: var(--primary-dark);
}

.preset-btn:hover small {
    color: var(--primary-color);
}

/* Color Picker */
.color-picker-container {
    display: flex;
    gap: 12px;
    align-items: center;
    background: #f9f9f9;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

input[type="color"] {
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
    overflow: hidden;
}

input[type="color"]:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
    padding: 0;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

#color-hex {
    flex: 1;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #fff;
    transition: var(--transition);
}

#color-hex:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(74, 107, 255, 0.1);
    outline: none;
}

#transparent-bg {
    background: linear-gradient(45deg, #f5f5f5 25%, #e0e0e0 25%, #e0e0e0 50%, #f5f5f5 50%, #f5f5f5 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    position: relative;
    overflow: hidden;
}

#transparent-bg::after {
    content: 'Transparent';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 0.8em;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Filters Grid */
.filters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 15px 0;
}

.filter-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-light);
    background: rgba(74, 107, 255, 0.03);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover::before {
    transform: scaleX(1);
}

.filter-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.filter-btn.active {
    border-color: var(--primary-color);
    background: rgba(74, 107, 255, 0.05);
    position: relative;
}

.filter-btn.active::before {
    transform: scaleX(1);
}

.filter-preview {
    width: 100%;
    height: 50px;
    border-radius: 4px;
    margin-bottom: 8px;
    background: #fff;
    border: 1px solid #eee;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.filter-btn:hover .filter-preview {
    transform: scale(1.02);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-btn span {
    font-size: 0.8rem;
    color: #444;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.filter-btn:hover span {
    color: var(--primary-dark);
}

.filter-btn.active span {
    color: var(--primary-color);
    font-weight: 600;
}

/* Filter Previews */
.grayscale {
    filter: grayscale(100%);
}

.sepia {
    filter: sepia(100%);
}

.invert {
    filter: invert(100%);
}

.vintage {
    filter: sepia(0.5) contrast(1.25) saturate(1.25);
    position: relative;
}

.vintage::before {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(125, 105, 24, 0.1);
    border-radius: 4px;
}

.black-white {
    filter: grayscale(100%) contrast(1.2);
}

/* Output Options */
.output-options {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-top: 25px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.output-options::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
    opacity: 0.8;
}

.output-options h3 {
    margin: -5px 0 20px -10px;
    padding: 8px 15px 8px 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-gray);
    font-size: 1.1rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 4px 4px 0 0;
    position: relative;
}

.output-options h3::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 20px;
}

/* Batch Processing */
.batch-processing {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-top: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.batch-processing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0.8;
}

.batch-processing h3 {
    margin: -5px 0 20px 0;
    padding-bottom: 12px;
    color: var(--dark-gray);
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.batch-processing h3 i {
    color: var(--primary-color);
    font-size: 1.1em;
}

.file-list {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 20px;
    background: #fff;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.03);
}

/* Custom scrollbar for file list */
.file-list::-webkit-scrollbar {
    width: 8px;
}

.file-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 0 4px 4px 0;
}

.file-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.file-list::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: rgba(74, 107, 255, 0.03);
}

.file-item.selected {
    background: rgba(74, 107, 255, 0.05);
    border-left: 3px solid var(--primary-color);
    padding-left: 12px;
}

.file-item.active {
    background: rgba(74, 107, 255, 0.08);
    border-left: 3px solid var(--primary-color);
    padding-left: 12px;
}

.file-item:last-child {
    border-bottom: none;
}

.file-icon {
    margin-right: 12px;
    color: var(--primary-color);
    font-size: 1.3em;
    min-width: 24px;
    text-align: center;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    margin-bottom: 3px;
    color: #333;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.file-size {
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 400;
}

.file-actions {
    display: flex;
    gap: 6px;
    margin-left: auto;
    padding-left: 10px;
}

.file-actions .btn-icon {
    opacity: 0.7;
    transition: var(--transition);
}

.file-actions .btn-icon:hover {
    opacity: 1;
    background: rgba(74, 107, 255, 0.1);
    color: var(--primary-color);
}

.file-item:hover .file-actions .btn-icon {
    opacity: 0.7;
}

.file-item:hover .file-actions .btn-icon:hover {
    opacity: 1;
}

.batch-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.batch-actions .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.9rem;
}

.batch-actions .btn i {
    margin-right: 6px;
    font-size: 0.95em;
}

/* Responsive adjustments for batch actions */
@media (max-width: 480px) {
    .batch-actions {
        flex-direction: column;
    }

    .batch-actions .btn {
        width: 100%;
    }
}

/* SEO Content */
.seo-content {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
    box-shadow: var(--shadow);
}

.seo-content h2 {
    color: var(--dark-gray);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.seo-content h3 {
    color: var(--dark-gray);
    margin: 25px 0 15px;
    font-size: 1.4rem;
}

.seo-content p {
    line-height: 1.7;
    color: #444;
    margin-bottom: 15px;
}

.seo-content ul,
.seo-content ol {
    margin: 15px 0 15px 20px;
    padding: 0;
}

.seo-content li {
    margin-bottom: 10px;
    line-height: 1.6;
    color: #444;
}

/* FAQ Section */
.faq-section {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
    box-shadow: var(--shadow);
}

.faq-section h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--dark-gray);
}

.faq-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* Loading state */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2em;
}

/* Messages */
.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    color: white;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(120%);
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 350px;
    opacity: 0;
}

.message.show {
    transform: translateX(0);
    opacity: 1;
}

.message.hide {
    transform: translateX(120%);
    opacity: 0;
}

.message i {
    font-size: 1.2em;
}

.message.success {
    background: var(--success-color);
    border-left: 4px solid #1e7e34;
}

.message.error {
    background: var(--danger-color);
    border-left: 4px solid #bd2130;
}

.message.warning {
    background: var(--warning-color);
    color: #212529;
    border-left: 4px solid #d39e00;
}

.message.info {
    background: var(--info-color);
    border-left: 4px solid #117a8b;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .resizer-layout {
        flex-direction: column;
    }

    .preview-panel,
    .control-panel {
        width: 100%;
    }

    .options-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .preset-grid,
    .filters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .options-grid {
        grid-template-columns: 1fr;
    }

    .preset-grid,
    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .seo-content,
    .faq-section {
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {

    .preset-grid,
    .filters-grid {
        grid-template-columns: 1fr;
    }

    .dimension-inputs {
        flex-direction: column;
    }

    .dimension-separator {
        transform: rotate(90deg);
        margin: 5px 0;
    }

    .color-picker-container {
        flex-direction: column;
        align-items: flex-start;
    }

    #color-hex {
        width: 100%;
    }

    .batch-actions {
        flex-direction: column;
    }

    .batch-actions .btn {
        width: 100%;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

.pulse {
    animation: pulse 1.5s infinite;
}

.spin {
    animation: spin 1s linear infinite;
}

/* Custom scrollbar for the entire page */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .resizer-container {
        box-shadow: none;
        border: none;
    }

    /* Footer */
    .footer {
        background-color: var(--dark-color);
        color: var(--light-color);
        padding: 80px 0 20px;
    }

    .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 40px;
        margin-bottom: 50px;
    }

    .footer-about h3 {
        color: var(--white);
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .footer-about p {
        color: #adb5bd;
    }

    .footer h4 {
        color: var(--white);
        margin-bottom: 25px;
        font-size: 1.2rem;
        position: relative;
        padding-bottom: 10px;
    }

    .footer h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 40px;
        height: 2px;
        background-color: var(--primary-color);
    }

    .footer-links ul li,
    .footer-legal ul li {
        margin-bottom: 10px;
    }

    .footer-links ul li a,
    .footer-legal ul li a {
        color: #adb5bd;
        transition: var(--transition);
    }

    .footer-links ul li a:hover,
    .footer-legal ul li a:hover {
        color: var(--primary-color);
        padding-left: 5px;
    }

    .social-icons {
        display: flex;
        gap: 15px;
    }

    .social-icons a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        color: var(--white);
        font-size: 1.2rem;
        transition: var(--transition);
    }

    .social-icons a:hover {
        background-color: var(--primary-color);
        transform: translateY(-3px);
    }

    .footer-bottom {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: #adb5bd;
        font-size: 0.9rem;
    }

    /* Responsive Styles */
    @media (max-width: 992px) {
        h1 {
            font-size: 2.8rem;
        }

        .hero h1 {
            font-size: 3rem;
        }
    }
}